Mr Donald Mortimore has been Director of the Northern Territory Office of the Department of Foreign Affairs and Trade (DFAT) since February 2023 and was most recently the Deputy High Commissioner to Tonga. He is a career public servant and has worked with the Australian Tax Office, AusAID and DFAT. Mr Mortimore has worked in International Development for over a decade and has previously served overseas in Papua New Guinea from January 2013 to December 2015.

Mr Mortimore holds a Bachelor of Business Management from Charles Sturt University. He also has a Graduate Certificate in Strategic Procurement from the Canberra Institute of Technology.